K&N Replacement Air Filter (YA-4000)

K&N Replacement Air Filter (YA-4000)K&N off road replacement air filters are ideal for extended use in dirty and dusty off road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air flow with excellent filtration. Designed to provide increased horsepower and acceleration Specifically developed for Off Road, Motocross, ATVs, UTVs and Side

This extra thick filtering medium provides the increased protection demanded by high dust conditions while continuing to provide the performance necessary to stay in the front of the pack

are a remarkable combination of performance and style

Check the K&N catalog or website for vehicle applications and specific CARB status for each vehicle and air intake

The K&N 33-2238 air filter fits some Craftsman lawnmowers with 6

This coupler adapts a 3-1/4 inch to a 3 inch tube and is 2 inches in length

Air is directed through the intake tube into the turbocharger inlet for a guaranteed power gain

Constructed with a red colored synthetic media it can be cleaned and reused repeatedly

Allows for high oil flow rates

The air intake housing is a cylindrical canister for rugged protection which allows excellent airflow in harsh off-roading environments

Connects a 3-1/4 inch to a 2-1/2 inch tube

Designed to increase horsepower & torque

The K&N Stubstack is designed to increase the airflow of carburetors by decreasing the restriction around the choke horn